Java Encryption NoSuchAlgorithmException

Question

this is my code:

static {
    Security.addProvider(new BouncyCastleProvider());
}

...

final Cipher sifra = Cipher.getInstance("AES/CBC/PKCS7Padding");

Junit works fine but When I deploy my application to weblogic server I got these exception:

java.security.NoSuchAlgorithmException: Cannot find any provider supporting AES/CBC/PKCS7Padding

Can you hlp me what is wrong ?

Petr Janeček · Accepted Answer · 2012-03-30 13:10:09Z

2

That's the old strange problem of different versions and missing cryptography files. I believe PKCS5Padding instead of PKCS7Padding will work. Anyway, it has something to do with Unlimited Strength Jurisdiction Policy Files which can be downloaded from Oracle ... or some other missing part or old version of Java Cryptography Extension.

edited Mar 30, 2012 at 13:10

answered Mar 30, 2012 at 12:04

Petr Janeček

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5 Comments

hudi Over a year ago

hm that is nice but I have to use PKCS7 not 5

Petr Janeček Over a year ago

They are effectively interchangeable for block sizes up to 256. Absolutely the same. But if you must, then the Unlimited Strength Jurisdiction Policy Files are your ticket to ride.

hudi Over a year ago

it is a business requirement so I have no choice

hudi Over a year ago

ok I add security.provider.N=org.bouncycastle.jce.provider.BouncyCastleProvider to java.security file and now it works thx a lot vdaka :)

Gelin Luo Over a year ago

Doesn't work for me. I am facing the same issue. the app works all good locally but the error comes out when it runs on a remote Jboss application server

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